The experiment annotations (StopTime, Interval) in
Modelica.Electrical.Spice3.Examples.Spice3BenchmarkFourBitBinaryAdder.FOURBIT
Modelica.Electrical.Spice3.Examples.Spice3BenchmarkFourBitBinaryAdder.NAND
Modelica.Electrical.Spice3.Examples.Spice3BenchmarkFourBitBinaryAdder.ONEBIT
Modelica.Electrical.Spice3.Examples.Spice3BenchmarkFourBitBinaryAdder.TWOBIT
were removed according to #1404.
Also the documentation of Modelica.Electrical.Spice3.Examples.Spice3BenchmarkFourBitBinaryAdder was improved.

git-svn-id: https://svn.modelica.org/projects/Modelica/branches/maintenance/3.2.1@7260 7ce873d0-865f-4ce7-a662-4bb36ea78beb